Oven



FIG. 1 is a front, right and top perspective view of an oven, showing my new design;

FIG. 2 is a rear, left and bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is an enlarged top plan view thereof;

FIG. 8 is an enlarged bottom plan view thereof; and,

FIG. 9 is a perspective view of the upper portion of the oven of FIG. 1 , shown removed from the base for ease of illustration.

The broken lines shown in the drawings illustrate portions of the oven that form no part of the claimed design. 

CLAIM The ornamental design for an oven, as shown and described. 